Shaft wrapping machine



June 2, 1931. P. OKEY 1,807,869

SHAFT wRAPPING MACHINE Filed Feb. 19, 192'? 4 Sheets-Sheet l June 2, 1931. P. oKEY SHAFT WRAPPING MACHINE l Filed Feb. 19, 1927 4 Sheets-Sheet 2 June 2, 1931. P. oKEY 1,807,869

SHAFT WRAPPING MAC HINE Filed Feb. 19, 1927 4 sheets-sheen 5 gym tot Y fer/y Offey 7+ @a 7/ d www4 June 2, 1931. P. OKEY SHAFT WRAPPING MACHINE Filed Feb. 19, 1927 v4 sheets-sheer 4 gil-muto@ Per/y 0,27

attorney Patented June 2, 1931 UNITED STATES PATENT ()FF'ICE PERRY OEEY, OE COLUMBUS, OHIO, AssrcNOR, EY MEsNE ASSIGNMENTS, To THE AMERICAN FORK a HOE COMPANY, A OORPORATrON or OHIO SHAFT WRAPPING MACHINE Application led February 19, 1927. Serial No. 169,617.

This invention relates to a machine for applying a wrapping or covering to the outer surfaces of metallic `bodies particularly, wherein such bodies partake of the form of shaft sections, tubing and other lengths of material suitable for use as handles for various kinds of hand operated tools or implements.

More specifically the invention is directed to theprovision of a novel method and machine for wrapping metallic shaft Asections of the type used as handles in connection with hoes, rakes, shovels or other implements of an analogous nature. To a very large eX- tent in the past such handles have been formed from wood but, more recently, it has been proposed that such handles be formed from metal, in Order to present greater strength and durability together with facility and economy lin manufacture. It has been found desirable, however, that such handles Y shall be provided with a covering of a heat insulating material in order that when such handles are subjected to heat the hands of the l users will be protected from contacting with heated metal and also to enable the user to obtain a more secure grip on the handle. Use has, therefore, been made of a wrapping or covering formed from compressed, granulated cork applied in thin tape like strips to the outer surface of the metal, inasmuch as the cork, being a pooi` conductor of heat, Will provide adequate protection for the user and at the same time enable the tool to be gripped comfortably and securely and without slipping of the hands of the user. f It would be an expensive, slow and difficult hand operation to apply a covering of this kind to metallic shaft sections .or handles, and therefore the present invention has for its primary object the provision of a machine by which this operation can be accomplished accurately and perfectly and in an economical and time saving manner by the employment of automatic machinery, wherein hand operations have been reduced to a minimum and the production of a completed article in a practical commercial manner assured.

Other objects of the invention reside in the provision of a machine formed to support for axial rotation a metallic shaft section and wherein is also provided a means for helically wrapping a thin cork tape or strip around the shaft section throughout any desired length of the latter, and to coinbine with this structure a means for supplying the tape, at the time of its application to the shaft section with an adhesive material which serves to retain the tape in its helically wrapped position on the shaft section,

@ther objects of the invention rest in the provision of a machine for the purpose specified and wherein the support lfor the tape feeding means iscaused to Ytraverse the shaft section longitudinally as the latter is being rotated axially, whereby the tape will be applied helically in close fitting wrappings about the shaft section to produce substantially a continuous and unbroken covering of desired length on the shaft section; in the provision of means forV feeding this cork tape to the shaft section at a proper angle, conforming to the width of the tape, so that the latter will be flatly applied to the shaft section in uncreased spiral wrappings; in the provision of pump means for positively forcing the cementing material upon the tape at desired times and in the most effective quantities; in the provision of means for automatically cutting the tape after the shaft section has been wrapped to the desired length, and in various other features respecting` principles of operation and construction which will be hereinafter in part obvious and in partspecifically set forth.

For a further understanding of the inven tion reference is to be had to the following description 'and the accompanying drawings, forming a part of this specification and in which similar characters of reference denote lil-:e and corresponding parts throughout the several views thereof.-

ln said drawings; y p

Figure l is a top plan view of the improved wrapping machine Comprising the present invent-ion, y

YFigure 2 is a front elevation thereof,

Figure 3 is a transverse section on the line 3 3 of Figure 2,

Figure 4 is a fragmentary rear elevation partly in section and on a somewhat larger' scale disclosing the tape support and the cement pumping means,

Figure 5 is a detail view disclosing in plan the construction of the cement tank,

Figure 6 is an enlarged detail plan view disclosing one of the work supports and illustrating the initial steps of applying the insulating tape to an associated shaft section,

Figure 7 is an enlarged detail view partly in plan and partly in horizontal section disclosing the other of said work supports together with the driving mechanism therefor,

Figure 8 is a detail sectional view taken on the plane indicated by the line 8-8 of Figure 7,

Figure 9 is a detail vertical sectional view taken on the line 9-*9 of Figure 7 looking in the direction indicated by the arrow,

f Figure 10 isa plan View of the automatic throw-out clutch and associated parts,

Figure 11 is a detail view indicating the automatic switch employed in connection with the throw-out clutch Y Figure 12 is an enlarged view partly in front elevation and partly in vertical section of the tape supporting means, and associated controlling means,

Figure 18 is a transverse sectional view on the line 18-18 of Figure 12, l

Figure 14 is a similar view ,on the line lee-14 of Figure 12,

Figure 15 is a side elevation of a completed shaft section wrapped in accordance with the principles ofthe present invention,

Figure 16 is a detail vertical sectional view taken througha shaft section disclosing t-he securing means for one end of the tape.

A Referring more particularly to the drawings and the specific embodiment of the invention therein illustrated, the numeral 1 designates the improved shaft wrapping machine in its entirety. rThe machine em-V bodies generally a stationary frame structure 2 upon which is mounted for reciprocatory movement in a substantially horizontal plane a travelling work supporting car- 1iage 8. This carriage is adapted to support for rotary movement a shaft or handle 4 around which is wrapped helically throughout any desired length of the handle a covering or wrapping 5 drawn from a reel mechanism 6 stationarily mounted in connection with the frame structure. The covering or wrapping is retained in its applied position on the handle through the assistance of a cement adhesive, which is applied to the handle at the time of application of the wrapping, by means of a pump 7, stationarily supported in connection with the frame work. In addition to these general units the machine embodies an automatic drive mechanism 8 for advancing the carriage in the operation of applying the wrapping to the shaft, together with return and control features hereinafter more specifically described.

TLc frame structure The particular frame structure herein employed comprises a pair of stationary, longitudinally spaced vertically disposed end frames 9 and 10, arranged at each end of the machine, and an intermediate stationary frame 11 disposed substantially in the'center of the machine. TheseV frame members may be suitably secured to or embedded in the floor or other base 12 upon which the machine is positioned and connected rigidly and stationarily therewith so that the machine will operate with vibrations reduced to a minimum. It is also desirable to unite the frames 9, 10 and 11 by means of diagonally extending cross rods 18,*which are firmly connected with said frame members so as to securely brace the latter and to stabilize the general construction ofthe supporting frame work.

The upper end of each of the frame members 9, 10 and 11 carries a detachable head 14, to which heads are connected a pair of verticallyL aligned, rigidly secured guide rods 15 and 16, which provide a trackway for the support of the movable carriage 3. The heads 14 of the frame members 9 and 11 are also provided with bearings for the reception of a rotatable feed screw 17, which extends horizontallyof the frame structure and is adapted, upon rotation, to effect the linear travel of the carriage 3. The drive mechanism 8r for effecting the operation of Vthe feed screw will be hereinafter described in detail.

Work supporting carriage The carriage S-is formed to'comprise longitudinally spaced heads 18 and 19, which are provided with longitudinally extending. bores for the, reception of the rods 15 and 16, which serve to support said heads, to permit of the sliding movement thereof, and to prevent rotary movement on the part thereof. r)The head 18 is also formed with a threaded bore for the reception of the feed screw 17 by which the carriage may be shifted longitudinally on its supporting guide rods. rlhe two heads of the carriage 'are` unitarily united in a rigid and substantial manner by the provision of a longitudinally extending connecting rod which is arranged below the rod 16 and binds the heads 18 and 19 together. An additional connection is provided between the heads in the form of a rack bar21, which is also used to operate the adhesive pumping mechanism 7, as will be hereinafter set forth.

The carriage 8 is employed to support removably the rod, staff or handle which is adapted to be wrapped with the covering To secure this end the head 18 is provided Gli with a horizontally and laterally extending bracket 22, shown more particularly in Figure 6, and Which has its outer end provided With the bearing for the support of a rotary spindle 23, the latter having its extreme outer end provided With a conical head 24, which is receivable within one end of the metal handle 4 to support the latter for rotation. The spindle 23 is-provided exteriorly with a pivoted clamp 25, which engages one end of the covering 5 to hold the latter securely' on the shaft or handle When the covering is first applied, and to prevent slipping of the covering during` the operation of applying the same to the handle.

The other head 19 of the carriage is formed to include longitudinally spaced bearings 26, in Which is rotatably mounts(L al shaft 27, Which is axially aligned With the spindle 23 and the handle 4 associated with the machine. One end of the shaft 27 is provided with an enlarged head 28 provided with a socket 29, in which is yieldably received a block 30, the latter having its outer end provided With a tapering socket 3l for the reception of the tapered end 32 of the handle or shaft 4 applied to the machine, there being a spring 33 arranged in the socket 29, which acts to force the block 39 outwardly so as to cause the latter to maintain a frictional driving grip upon the tapered end 32 of the handle and at the same time, permits the block 30 to be moved axially to facilitate the application of the handle 4 or the removal of the same from the carriage. t will be seen that by moving the handle inwardly against the re` sistance of the spring 33 the other end of said handle engaged with the head of the spindle 23 Will be released from such engagement whereby the Voperations of applying or re` moving the handle are extremely simple and convenient to execute. The block 39 of course is mounted to rotate in unison with the head 28.

To effect the rotation of the handle or shaft upon which the covering is applied, the shaft 2T is provided with a. fired pinion 34, which meshes with a large gear 35 fixed to one end of a transversely extending horizontally disposed shaft 36. This shaft is m^unted for rotation Within an elongated bearing 3T carried by the head 19. As sho-Wn moreV par.- ticularly7 in Figures and 9, the outer end of the shaft 36 is provided with a ratchet Wheel 38 with which is engaged plurality of spring pressed pivoted paWls 39 carried by a disk 49 which is loosely mounted for rotation on the shaft 36. The disk is formed to include a drum 4l, around which is Wrapped for several convolutiens a taut Wire or cable 42. One end of this cabl.D is secured to the end frame l0, While the opposite end thereof, as shown inligures2and3,is trained to pass around a pulley 43 mounted in connection with the intermediate frame ll and is provided With a vertically depending end to Which is attached a Weight 44, by means of which the cable is maintained under tension and a gripping relationship established between said cable and the drum of the disk 40. It Will be seen that when the carriage 3 advances on its active or operating stroke, as indicated by the arrow in Figure 7, the disk Will be rotated by the engagement thereof with the cable 42. The rotation of the disk is then imparted to the ratchet wheel 38 and the shaft 36 by means of the pavvls 39, and this rotary movement is, in turn, transmitted to the shaft 27 by the pinion and gear construction 34 and 35. The rotation of the shaft 27 then revolves the block 39 and cor-- sequently the handle or shaft 4 which happens to be associated with the machine. Therefore, since one end of the covering 5 is connected with the shaft, as indicated, by the clamp 25 and since the carriage is moving longitudinally of the frame struct-ure 2 it follovvs that the covering will be Withdrawn from the reel mechanism 6 and Wrapped helically around the outer surface of the handle or shaft 4 as long as the movement of the carriage is continued in its advancing or active direction. rlhe multiplicity of paivls 39 are pro-vided in order that the latter Will engage .at different circumferential points With the teeth of the ratchet Wheel 38. ln the particular form of the invention disclosed six of these pawls are used and by their use and Working positions it is impossible for back-lash to appear in the drive to an extent of more than a distance equivalent to onesixth of the total length of eac-h tooth comprising the ratchet Wheel. Of course, a greater or lesser number of these teeth and pan/'ls may be used. Of course, during the return movement of the carriage to an initial starting position the pawl and ratchet mechanism operates to prevent rotation on the part of the head 28.

Beel mechanism rlhe reel mechanism is formed to include a fixed supporting bracket 45, which is secured to the head of the intermediate frame l1 and, as shown in Figures 4 and l2, the bracket extends upwardly and angularly with respect to the stationary bed of the machine. The upper end of the bracket carries a short shaft 46, With which is fixed for rotation a roll 47 around Which is spirally Wrapped a reel of compressed cork or other heat insulating ma` terial in tape form, Which is drawn from the reel in ribbon-like form and is conducted by an angularly disposed guide piece 48 to a position contiguous to the handle 4 supported by the carriage. A spring 49 engages with the outer end of the ribbon frictionally so that positive force is required to draw the ribbon through the guide 48. It Will be seen that by removing the outer of the nuts 49 that reel substitution is capable ofv being quickly and conveniently effected. As previously stated, the free end of the taper or ribbon is clamped to the shaft or handle 4l by the pivoted element 25, whereby upon the rotation of the shaft or handle, and the longitudinal move-ment of the carriage, the cork tape is removed from the reel and helically wrapped around the length of the shaft or handle in a tightly applied compaetly related winding, as shown more particularly in Figure 15. The reeling mechanism occupies the angular position shown in order that the tape may be fed flatly to the shaft or handle and also to adapt itself to the width of the tape which is employed. ri`hus in a wider tape the angulerity of the reeling mechanism will be great-- er, and in the narrower tape the angularity will be appreciably less. The rotation of the handle is timed with the movement of the carriage, and in accordance with the width of the tape or ribbon, the movement being synchronized so that the windings will lie in the desired closely wrapped relation with respect to one another. In fact, the machine operates with such accuracy that the finally completed wrapped handle presents an appearance partaking of that of a sleeve or tube of integral construction, an effect which is produced by the close association of the wrapping wherein the lines presented by adjacent edges are difficult to notice. The rotation of the coi k reel is frictionally arrested by a stop pin 46a carried by the head 19 when the carriage reaches the end of its forward travel.

Pump me clumsm rShe pump mechanism comprises a casing 50, which is stationarily secured to the intermediate frame 11. This casing embodies a tank in which is contained a suitable quantity of a liquid cement, which is adapted to be forced upon the cork ribbon or tape at the time of application of the latter to the shaft or handle. T he top of the casing, as shown in Figure 5, is provided with a pivoted closure 5l, whichL covers an ope-ning into which the liquid cement may be poured into the casing. 7Within the casing there is mounted a rotary impeller (not shown) which operates to force the liquid cement or other adhesive through a pipe or tube 52 which extends transversely across the machine and terminates in a nozzle 58, arranged as shown in Figure l, immediately over the guide 48 and the tape passing therethrough, so that in the operation of the pump the cement is forced upon the tape just immediately prior to the time that the latter is wound about its associated shaft or handle section.

To effect the opera-tion of the pump inipeller the shaft of the pump is provided erteriorly of the casing with a fixed ratchet wheel 55, which is engaged by one or more spring pressed pawls 56 carried by a disk 57 loosely mounted on the shaft 54. Connected with the disk is a gear wheel 58, which meshes with the teeth of the rack bar 21. By this arrangement it will be seen that upon reciprocation of the carriage in an advancing direction, as indicated by the arrow in Figure 1, rotary movement will be imparted to the pump so as to positively force the liquid adhesive upon the cork ribbon or tape. As the pump supplying the adhesive has a movement definitely proportioned to the advance of the carriage, it is evident that a delinite predetermined amount of the adhesive is applied to the tape or ribbon. The capacity of the pump is preferably made such that the amount of adhesive applied is just sutlieient to cover the inner surface of the ribbon with a slight excess which is forced out between the abutting edges of the ribbon as it is helically applied, thus serving to rmly cement the abutting edges together as well as cementing the inner side of the ribbon to the shaft. Upon reurn movement of the carriage to an original starting position the pawl and ratchet mechanism release the pump so that the latter is rendered temporarily inactive.

lf desired the casing 50 may be provided with an agitator to keep the liquid in a 'Howing mobile state. rllhis agitator Vincludes an operating shaft 59, depending from the lower side of the casing 50. A belt wheel 60 is connected with the lower end of the'shaft and around which passes a belt 6l, the latter leading to a small motor 62 which when energized drives the agitator, whereby continuous motion of the latter is provided independently of the movement of the carriage.

Drive mechanism Arranged on the base 12 is the main drive motor 63 of the machine. The armature shaft of this motor is provided with a belt wheel 64, over which is passed an endless belt 65, which leads. to a larger belt wheel 66 that is loosely mounted for rot-ation on the drive end of the feed screw 17. The hub of the belt wheel 66 is provided with a clutch face adapted for cooperation with a movable clutch member 67 which is splined to the end of the feed screw in the usual manner. The clutch member 67 is operated by a pivoted throw lever 68, shown more particularly in Figure 10. The outer end of this lever is connected with a spring 69 which has its other end connected with the end frame 9. The normal purpose of the spring 69 is to maintain the clutch member 67 in driving engagement with the clutch face of the belt wheel 66.

The operation of the lever 68 is controlled I1 automatically, however, through the medium of a longitudinally extending sliding bar 7l), preferably square in cross-section, as shown in Figure 13. This bar is slidably supported in the frames 9 and ll. The bar 70, as shown To: .1.o

Lacasse in Figure 12, extends beyond the intermediate frame 11 and terminates between the frame l1 and the fra-me l0. The arrangement of the bar is such that when the carriage has. been moved forwardly as indicated by the arrow in Figure 1, to the extreme of its advancing positions and the shaft or stad 4 has been wrapped to the desired extent, the head 19 of the carriage contacts with the end of the bar 7 0 and reciprocates the latter to a. limited extent. rThis movement, however, is sufficient to oscillate the lever 68 about its pivot and disengage the clutch member 67 from the belt wheel 66, thereby stopping the operation of the feed screw. In addition to this mechanical cut cut, the bar 70 is pro` f'ided with a pair of contact arms '71*71, constituting an electrical switch for the motor 63. During the operation of the feed screw the arms 71 are in engagement with spaced terminals 72 to which are connected the leads 73 of the mot-or 63, and it will be seen that as soon as the bar 70 is reciprocated '3y the action of the carriage the electrical circuit of the motor 68' is broken and this is immediately followed by the disconnection of the clutch member 67 with the' belt wheel. As a. result of this dual cut-out the operation of the feed screw and associated. parts are immediately arrested. There is a set screw adjustment 74 at the end of the bar 7 0 for controlling the relationship or space between the end of said bar and the lever 68 so that the timing of the mechanism may be readily controlled and varied. A spring 75 has one of its ends connected with the bar 70 and its other end connected with a bracket 76 carried by the lower guide rod 16, as shown in Figure 1Q and the normal tendency of the spring 75' is to retract the bar 70 so as to close the electrical. switch.

s shown more particularly in Figure 12 the intermediate fra-me 11 is provided with a pivotcd detent 77 which is pressed by a spring so that the shouldered end 78 of said detent will be rocked against the under surface o-f the bar v70. At a point adjacent to the detent the bar 70 is provided with a shouldered recess 79, and it will be seen that as the bar is moved forwardly by thev carriage, to thr i Y out the clutch and switch con'- struction` the detent 77 will respond: to the' influence of its spring so that the shoulder 78 will be engaged with the recess 79, prevent-k ing undue retraction of the bar unt-1l the' detent is positively released. The frame 11 also carries a pivoted lever 80, which is cooperatiife'with the detent 77 to effect its release from a bar locking position. A second detent 77@ is carried by the frame 11 for engagement with a second recess 79a' in the' upper surface of the bar 70. The detent 776i` cooperates with the 'detent 77 to loch the bar 7 0 in its clutch releasing position during return' trave'lof the carriage'. The detent 7 7a is released by engagement: with the stop pin 77 Z) on carriage h'ead 18. Thus a double'locl is'provided for holding the bar 70 in its clutch releasing position during return travel of the carriage so that it will be impossible to throw inthe. clutch during return mei/ement of the carriage. One ldetent is automatic in in its operation and the other is manually operated to effect release of the bar. Thus a double safety is provided to prevent accidents which may result from careless operation or other causes.

Referring to Figures 12 and le it will be observed that the bracket 76 is also provided with a pivcted arm 81, one end of the latter being provided with a beveled shoulder 82 constituting alatch, while the other end of the arm 81 is pivotally connectedl with a spring pressed stem 83 which in turn has its lower end connected with an actuating lever 84 pivoted on the intermediate fram-e 11. By this arrangement when the carriage reaches the extreme of its advancing or active p'csitien the arm 81 is rocked so that its latch 82 will engage with the head 19 of the carriage, as shown in Figure 9, so as to lock the' carriage in its advanced position.

The ret-urn of the carriage to its normal initial operating position is effected by means of cable 85 which has one of its ends suita` bly connectedl with the carriage and is trained aroundv a pulley 86, carried by the end frame 10, and then upwardly and over a pulley 87 mounted upon an overhead support, thedepending end of the cable being provided with a' suitable weight 88; Thus as the feed screw 17 revolves the'nc'a'rriage is moved in its forward advancing direction and the weight 88A is raised by the Apower imparted to 'the machine. Hov'vever, when the carriage reaches the extremity of its forward advancingdi'r'ection the arm 81 is actuated to lock the' carriage against further movement and to preventv it from responding to the influence of the' weight.Y 'At' this point the wrapped handle or staff 4e is removed from the machine, as previously described, and a new unwrapped member may be' substituted in its place. The lever 84 is then actuated so a's to. oscillatey the arm 81 and withdraw the latch 82v from locking engagei'nent with the carriage. This permits the carriageto' respond to the influence of the' weight 88 and the carriage is then automatically returned to its starting. position. It will be understc'od that the threads of the feed screw 17 are very coarse and,l of long pitch so that the feed screw will not offer any resistance of importance to the return of the carriage. Particularly is this true' when it is considered that 'the feed screw is disconnectedfrom its driving mechanism. The shaft to be wrapped may be inserted in the machine when 'the carriage' occupies either of its two extreme positions of movement, dependingto produce a very smooth finish. Following the insertion of a new handle in the machine and the clamping of the end of the tape thereto by means of the clamp 25, the leve-r 8O is actuated so as to release the bar 70, allowing the latter to respond to the influence of the spring 75 so as to close the switch to the electrical motor 63 and also to allow the lever 68 to be actuated by its spring 69 to throw in the clutch member 67, whereby the operation i, of the machine will again proceed as heretofore described.

The return of the carriage to its initial starting position under the influence of the weight 88 is cushioned and gradually arrested by providing the intermediate frame 11 with a fixed rod 90 extending longitudinally of the machine, and having its outer end provided with a pist-on 91. This piston is receivable within a bore or cylinder 92 provided in the head 18 of the carriage, as shown in Figure 12. The end of the cylinder 92 is provided with an air relief valve 93, and by this construction it will be seen that as the carriage returns to its initial starting position the piston 91 will enter the cylinder 92 edecting a partial compression of the air therein. rThe escape of the air from the cylinder is, of course, regulated by the relief valve 93 so that the carriage will be brought to a gradual stop and shock and j ar eliminated.

I have also found it desirable to provide an automatic means for cutting the tape after the handle has been wrapped to a suiicient extent. Referring more particularly to Figures 7 and 8 it will be observed that the head 19 is provided with a slidable plunger 94, formed with a pivoted arm 95 at its inner end. This arm is arranged in the path of a fixed stop 96 carried by the upper rod 15 in a stationary position. The outer end of the plunger 94 is pivotally connected with a fixed crank arm 97 carried by a rock shaft 98, which is rotatably supported in connection with the head 19. This shaft also 'and revolves the shaft 98. The extent of this movement is suiiicient to elevate the disk 100 bringing the latter into engagement with the cork tape so as to effect a clean severing of the latter from the main body of tape contained on the reel. Inasmuch as this operation takes place before the advancing movement of the carriage is completely arrested itV has been found desirable to use in connection with the plunger 94 the pivoted arm 95. The pivotal connection for mounting of the arm 95 is such as to'prevent the same from rotating in a clockwise direction when engaged by the stop 96. This is done in order that the plunger 94 may slide outwardly in a transverse direction to rock the shaft 98. Further forward movement of the carriage permits the arm 95 to move past the stop 96, so that when the carriage is again returned to its initial position the engagement of the arm 95 with said stop does not move the plunger, but simply rotates the arm 95 against the resist-ance of its spring 101, without actuating the shaft 98.

In view of the foregoing description it will be seen that the present invention provides a machine for quickly, effectively and economically wrapping elongated round bodies, such as rods, tubes, shafts, staffs and the like, with a covering in the form of a tape or ribbon and formed from any suitable material. The invention as previously stated is particularly applicable to the wrapping of metal shafts with a non-conductor of heat although I do not limit myself to this particular aspect of the invention. The apparatus has the capacity of carrying out the objects and features specified with high speed and on a production basis commensurate with manufacturing requirements and economy. It will be understood that variations and modifications can be made with respect to the foregoing description without departing from the spirit and scope of the invention, as set forth in the accompanying claims.

What is claimed is:

1. In a wrapping machine, a stationary frame including longitudinal guides, a carriage mounted for longitudinal travel upon said guides, said carriage embodying a pair of longitudinally spaced heads, spindles rotatably carried by said heads and adapted for the removable and rotatable reception of a shaft section, motor driven means for effecting longitudinal travel of said carriage in an advancing direction with respect to said frame, means for rotating at least one of said-spindles upon advance movement of said carriage, a reel mechanism carried by said frame and operable to apply helically a wrapping to the shaft section supported between said spindles upon advance movement on the part of said carriage, means for supplying a predetermined amount of adhesive to the inner side of said wrapping at the time of itsapplication to said shaft section, and

means f-or severing said wrapping after the same has been applied t a predetermined length of said shaft section.

2. In a 'rapping machine, a stationary frame including longitudinally extending guides, a carriage mounted upon said frame to traverse said guides longitudinally, means for removably and rotatably supporting a shaft section in connection with said carriage, positively operating means for effecting longitudinal travel of said carriage upon said guides, a reel mechanism operable to apply helically a ribbon of wrapping material to a shaft section mounted in said carriage during movement of the lat-ter in an advancing direction, means for supplying an adhesive to said wrapping at the time of its application to the shaft section, means for severing said wrapping after the same has been applied to a predetermined length of the shaft section, positively operating means for stopping said carriage at the end of its travel in an advancing direction, and trip control means for returning said carriage to its original starting position, said returning means 4operating independently of the carriage acvancing means.

3. In a wrapping machine, a frame including longitudinally extending guides, a carriage movably mounted upon said guides to traverse the latter longitudinally, said carriage being formed, for the removable and rotatable reception of a shaft section, a longitudinally extending feed screw journaled in connection with said frame and having threaded engagement with said carriage, a motor, mot-ion transmitting devices between said motor and said feed screw including a clutch, means operable automatically after predetermined advancing movement on the part of said carriage to disconnect said clutch and arrest the operation of said feed screw, means operable during the advance of said carriage to apply helically a wrapping to the shaft section, and means for returning said carriage to an original starting position subsequent to the disconnection 'of said clutch.

4. In a machine of the character set forth,

a frame, a carriage mounted to traverse said rection with said carriage said covering will be wrapped helically around the shaft section throughout a suitable length thereof, means for cutting said wrappingv upon predetermined travel of said carriage in an advanci-ng direction, positively operating means A for efecting the advance of said carriage, and independently operating means for effecting the return of they carriage to a normal starting position.

5. In a machine of the character set forth, a frame, a carriage mounted for longitudinal travel upon said frame, said carriage embodying a pair ofV spaced heads, each of said heads including a rotatable spindle, said spindlesbeing arranged in aligned order for the removable and rotatable reception of a shaft section, means for effecting longitudinal travel on the part of said carriage, means for rotating at least one of said spindles during advance movement of said carriage, means for supplying a helically arranged wrapping to said shaft section during the advance movement of said carriage, a pump mechanism operable upon advance movement on the part of the carriage to force an adhesive upon said covering at the time of the application of the latter to said shaft section, and means for cutting the covering at the end substantially of the advance movement of said carriage.

6. In a Wrapping machine, a frame, a carriage mounted for longitudinal travel on said frame, said carriage including a pair of spaced heads, spindles supported by said head and spaced and aligned to rotatably and removably receive a shaft section, a motor driven feed screw for edecting longitudinal advance of said carriage on said frame, a reeling mechanism including a thin ribbon of cork containing material, means for securing one end of said ribbon to a shaft section supported between said heads, whereby upon the advance of said carriage said ribbon will be withdrawn from said reel and wrapped helically about a predetermined length of said shaft section, a pump mechanism operated by the movement of said carriage to force an adhesive upon said ribbon at approximately the time of its application to said shaft section, cutting means automatically operable to sever said ribbon after the latter has been applied to a predetermined lengthV of the shaft section, andk means for returning said carriage to a normal position.

7. In a machine of the character set forth. a frame, a carriage slidably mounted on said frame, said carriage being formed to include a pair of spaced heads rigidly united for -unitary movement, work supporting spindles carried by said heads, a screw journaled in connection with said frame and having threaded engagement with oneof said heads, motor driven means for rotating said screw to effect the advance of said carriage relative to said frame, means operable during the advance of said carriage to rotate positively at least one of said spindles, means operable during the advance of said carriage for helically wrappinga shaft section supported between said spindles with a ribbon of covering material, latch means for retaining said carriage atthe end of its advance stroke, and means operable upon the release of said latch to return said carriage to a normal position.

8. In a wrapping machine, a frame, a carriage mounted on said frame to traverse the latter longitudinally, a screw journaled in connection with said frame and having threaded engagement with said carriage, a i driving motor, motion transmitting devices between said motor and said screw including a clutch device, a switch in circuit with said motor, and a sliding member engaged by said carriage for throwing out said clutch and switch following predetermined advancing movement on the part of said carriage.

9. In a wrapping machine, a frame, a carriage mounted on said frame t traverse the latter longitudinally, means carried by said carriage for removably and rotatably receiving shaft sections, means for advancing said carriage in a forward direction across said frame, means operative during the forward movement of said carriage to wrap helically a tape of cork like material longitudinally around a shaft section supported in said carriage, means for automatically stopping the carriage at the end of its forward movement, means for locking the carriage in its eXtreme forward position, and means yoperative upon the release cf said locking means to return said carriage to an original starting position.

10. In a. machine of the character described, a frame, a carriage movable longitudinally of said frame, said carriage embodying a pair of spaced heads, work supporting spindles carried in connection with said heads, means for moving said carriage bodily relative to said frames, means for rotating at least one of said spindles during movement of said carriage in a forward direction only, means for applying helically a cork like tape to a shaft section supported between said spindles during forward movew ment of said carriage, and a severing device operable automatically for cutting said tape when said carriage reaches substantially the extremity of its forward movement.

11. In a machine of the character set forth, a frame, a. carriage mounted on said frame to traverse the same longitudinally, a. shaft section removably and rotatably supported by said carriage, power driven means for effecting the advance of saidlcarriage in a forward direction, a. reel mechanism including a reel of cork in ribbon form, said reeling mechanism being mounted on said frame, means operable upon forward movement of said carriage to rotate the shaft section and wind the cork ribbon helically thereabout,

means for severing the ribbon when said carriage reaches the extremity Vof its forward movement, means operable to lock said carpriage at the extremity of its forward movement, and means operable upon the release. of

said locking means for returning said carriage to a normal starting position.

12. In a wrapping machine, a frame, a carriage slidably supported by said frame, rotatable spindles carried in connection with said carriage and adapted to removably and rotatably receive a shaft section, a reel mechanism on said frame including a rotatable drum carrying a reel of cork-like material, means for securing the free ends of said material to said shaft section, means for moving said carriage in a forward direction and rotating said shaft section so as to wind said material helically about the length of said shaft section, means operable upon forward movement on the part of said carriage to apply an adhesive to said cork like material so as tocause the latter to adhere to said shaft section, automatically operating means for arresting forward movement of said carriage after said shaft section has been wrapped for a. predetermined length with said material, means for severing the material following said wrapping operation, and means for stopping rotation of the ribbon reel.

13. In a wrapping machine, a frame, a carriage slidably supported for longitudinal movement on sai-d frame, aligned spindles carried by said carriage for the removable and rotatable reception of a shaft section, a feed screw rotatably journaled in connection with said frame and having threaded engagement with said carriage, motor driven means for rotating said screw and effecting the advance of sai-d carriage in a forward direction, an angularly disposed support carried by said frame, a reel of cork in ribbon like form carried by said drum, the free end of said ribbon being connected with said shaft section whereby upon advance of said carriage and the rotation of said shaft section, said cork ribbon will be wrapped helically around said shaft section, means for severing said cork ribbon following the wrapping of 'said shaft section for a predetermined distance, and automatic means for stopping the rotation of said drum when said carriage occupies a position at the eXtreme of its forward movement.

14:. In a wrapping machine, a frame, a work supporting carriage arrange-d to travyerse said frame longitudinally, said carriage including a pair of aligned 'spindles adapted for the removable and rotatable reception of a shaft section, 4power driven means for effecting the advance of said carriage in a forward direction and rotating said shaft section, a reel of cork ribbon like form carried by said frame, means for securing the free end of said ribbon to the shaft section whereby upon advance of said carriage the cork ribbon will be wrapped helically around said shaft section, means for automatically severing said cork ribbon following the wrappingof said shaft section for a predeterminedv distance, and automatic means for arresting the rotation of'said reel when. said carriage l occupies a position at the extreme of its forward' movement.,

15. In a wrapping machine, a. frame, a carriage slidably supported by said frame, rotatable spindles carried in connection with said carriage and adapted to removably and rotatably receive a shaft section, a reel mechanism on, said frame including a rotatable drnm carrying a reel of cork like material, means for securing the free ends of'said material to said shaft section, means for moving said carriage in a forward direction and rotatingY said shaft section so as to wind said materiall helically about the length of said shaft section, means operable upon forward movement on the part of said carriage to apply an adhesive to said cork like material soy as to cause the latter to adhere to said shaft section, automatically operating means for arresting forward movement of said carriage after said shaft section has been wrapped. for. a predetermined length with saidinateri'al, means for severing the material following said wrapping operation, and means for automatically stopping rotation of the ribbon reel when the carriage reaches the eXtreme of its forward position.

1G. In a wrapping machine, a frame, a cariage mounted for longitudinal travel on said frame, said carriage including a pair of spaced heads, spindles supported by said head and spaced and aligned to rotatably and removably receive a shaft section, a motor driven feed screw for effecting longitudinal advance of said carriage on said frame, a reeling mechanism including a thin ribbon of cork containing material, means for securing one end of said ribbon to a shaft section supported between said heads, whereby upon the advance of said carriage said ribbon will be withdrawn from said reel and wrapped helically about a predetermined length of said shaft section, a pump mechanism operated by the movement of said carriage to force an adhesive upon said ribbon at approximately the time of its application to said shaft section, cutting means automatically operable to sever said ribbon after the latter has been applied to a predetermined length of the shaft section, means f or returning said carriage to a normal position, means for maintaining said pump mechanism ldlc during return movement of the carriage, and means for preventing reverse rotation of the shaft supporting spindles during return movement of the carriage.

17. In a wrapping machine, a stationary frame; a carriage vslidably mounted upon said frame; means on the carriage for removably and rotatably supporting a shaft section to be wrapped; positive operating means comprising an electric motor for effecting longitudinal travel of said carriage upon the frame;` a reel mechanism operable to apply, helically a ribbon of wrapping material to al shaft section `mounted in said carriage during movement of the latter in an advancing direction;` and .means operable at the end of the advancing movement of the carriage for disconnecting the moto-r from its sourceof current and'severing themechanical connection between the motor and thecarriage moving, means.

l8r. InIt a wrapping machine, a stationary frame;- a carriage slidably mounted upon said' frame; meanson the carriage forremovably and rotatably supporting Na shaft section to be wrapped; a reel mechanismen the frame operable "to apply vhelically ribbon of wrapping material to a shaft section mounted in said carriage. during movement of the latter in an advancingv direction, means for advancingand retractingthe carriage on the framefand means for rotating the shaft operable only when the carriage is moving in an advancing direction. Y

19.v Ina wrapping machine, a stationary frame; a carriage slidably mounted on said frame; means on the carriage for removably and rotatably supporting ashaft section to be wrapped; means foradvancing the cai:- riage on the frame and for simultaneously rotating the shaft; a: reel mechanism operable to apply heli'cally a ribbon of wrapping material to a shaft section mounted in said carriage during movement of the. latten in an advancing direction; and-means for applying a predetermined'amount of adhesive to the inner side of the said'ribbon at the time of its application to the shaft section.

20. In a wrapping machine fory shafts, shaft supporting means for removably and rotatably supporting a shaft section to be wrapped, a reel mechanism operable to apply helically a ribbon of wrapping material to a shaft section supported byv saidv supporting means, mechanisml for relatively advancing and retracting said supporting means and said reel mechanism, and operablemeans` for rotating the shaft edective only when said supporting means and said reel mechanism are yrelatively moved' in` but one of said advancing and retracting directions 2l. Inl a wrapping machine for shafts, shaft supporting means for removably and rotatably supporting a shaft section to be.

wrapped, a reel mechanism operable to apply helically a ribbon ofl wrapping material to a shaft section supported by said supporting means, mechanism for relatively advancing said supporting means and said'reel mecha'- nism during wrapping of the shaft section and for relatively retractingsaid supporting means and saidreel mechanismafter the wrapping operation, rotary means. for rotating the shaft effective only when said supporting means and said reel mechanism are relatively moved in said advancing direction, holding means for preventing relative retracting movement of said supporting means and reel mechanism, and manuallyoperable means for releasing saidholding means.

22. In a Wrapping machine for shafts, shaft supporting means for removably and rotatably supporting a shaft section to be Wrapped, a reel mechanism operable to apply heiically a ribbon of Wrapping material to a shaft section supported by said supporting means, mechanism for relatively advancing said supporting means and said reel mechanism during Wrapping of the shaft section and for relatively retracting said supporting means and said reel mechanism after the Wrapping operation, rotary means for rotating the shaft effective only Whensaid supporting means and said reel mechanism are relatively moved in said advancing direction, and inertia absorbing means for gradually stopping relative retracting movement of said supporting means and reel mechanism. 23. In a Wrapping machine for shafts, shaft supporting means for removably and rotatably supporting a shaft section to be Wrapped, a reel mechanism operable to apply helically a ribbon of Wrapping material to a shaft section supported by said supporting means, mechanism for rotating said shaft section and for relatively advancing said supporting means and said reel mechanism during Wrapping of the shaft section, and automatic severing means for severing said ribbon of Wrapping material after the Wrapping of said shaft section. Y n

24. In a Wrapping machine for shafts, shaft supporting means for removably and rotatably supporting a shaft section to be Wrapped, a reel mechanism operable to applylielically a ribbon of Wrapping material to the shaft section supported by said supporting means, mechanism for relatively advancing said supporting means in said reel mecha- 'l nism during Wrapping of the shaft section,

severing means to sever the ribbon of Wrapping material upon completion of the Wrapping operation, holding means to `prevent relative retracting movement of said supporting means and reel mechanism and manually operable means for releasing ,said holding means, mechanism for relatively retractingsaid supporting means and said reel mechanism after lthe severing operation, inertia absorbing means for gradually stopping relative retracting movement of said supporting-means and reel mechanism, and manually operable means for initiating said relative advancing movement by said advancing mechanism.

25. In av Wrapping machine for shafts, shaft supporting means for removably and rotatably supporting afshaft section to be Wrapped, va reel mechanism operableto apply helically a ribbon of Wrapping material to ing means, mechanism for rotating said shaft section and for relatively advancing said supporting means and said reel mechanism during Wrapping of the shaft section, and means for stopping the rotating and relative advancing movement after completion of the Wrapping operation` 26. Ina Wrapping machine for shafts shaft supporting means for removably and rotatably supporting a shaft section to be Wrapped, a reel mechanism operable to apply helically a ribbon of Wrapping material to the shaft section supported by said supporting means, mechanism for rotating said shaft section and for relatively advancing said supporting means and said reel mechanism during Wrapping of ftlie shaft section, automatic severing means for severing said ribbon of Wrapping material after Wrapping said shaft section, and means for stopping the rotating and relative advancing movement after the severing operation.

In testimony whereof I affix my signature.

PERRY OKEY. 

